15min · 12 servings * 1 cup browned butter (226 grams) • 1 cup white sugar • 3/4 cup brown sugar • 2 eggs (approximately 112 grams) • 2 1/2 tsp vanilla • 1 tbsp molasses • 1 tbsp cornstarch (7.5 grams) • 1 1/2 tsp cream of tartar • 1 tbsp cinnamon (7.5 grams) • 1/4 tsp baking powder • 1/4 tsp baking soda • 2 3/4 cup all-purpose flour (344 grams)